Energy & Green Tech
Buildings and production of the materials used in their construction emit a lot of carbon dioxide (CO2), a potent greenhouse gas that contributes to global warming and climate change. But storing CO2 in building materials ...
Mar 18, 2024
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46
Hardware
Taking flight can be stressful—especially for a lithium-ion battery that powers a drone. Too much strain on these cells causes damage and shortens a device's overall lifespan. Research in ACS Energy Letters shows the potential ...
Mar 1, 2024
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39
Energy & Green Tech
In the switch to "greener" energy sources, the demand for rechargeable lithium-ion batteries is surging. However, their cathodes typically contain cobalt—a metal whose extraction has high environmental and societal costs. ...
Jan 18, 2024
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88
Energy & Green Tech
Fake plants are moving into the 21st century. Researchers developed literal "power plants"—tiny, leaf-shaped generators that create electricity from a blowing breeze or falling raindrops—and described them in ACS Sustainable ...
Jan 17, 2024
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88
Engineering
With the holiday season in full swing, gifts of all shapes and sizes are being shipped around the world. But all that packaging generates lots of waste, including cardboard boxes and plastic-based foam cushioning, such as ...
Dec 14, 2023
2
67
Energy & Green Tech
Oceans cover most of Earth's surface and support a staggering number of lifeforms, but they're also home to a dilute population of uranium ions. And—if we can get these particular ions out of the water—they could be a ...
Dec 13, 2023
4
434
Internet
From Wi-Fi-connected home security systems to smart toilets, the so-called Internet of Things brings personalization and convenience to devices that help run homes. But with that comes tangled electrical cords or batteries ...
Nov 9, 2023
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44
Engineering
Solar panels are an increasingly popular way to generate electricity from the sun's energy. Although humans are still figuring out how to reliably turn that energy into fuel, plants have been doing it for eons through photosynthesis.
Oct 11, 2023
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66
Energy & Green Tech
Carbon capture is a promising method to help slow climate change. With this approach, carbon dioxide (CO2) is trapped before it escapes into the atmosphere, but the process requires a large amount of energy and equipment. ...
Aug 30, 2023
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90
Engineering
Indoor air pollution may have met its match. Today, scientists will report that they have designed catalyst-coated lampshades that transform indoor air pollutants into harmless compounds. The lampshades work with halogen ...
Aug 16, 2023
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75
